120720787 has 8 divisors (see below), whose sum is σ = 131855472. Its totient is φ = 109612800.

The previous prime is 120720773. The next prime is 120720799. The reversal of 120720787 is 787027021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120720787 - 2¹¹ = 120718739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120720287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3463 + ... + 15919.

It is an arithmetic number, because the mean of its divisors is an integer number (16481934).

Almost surely, 2^120720787 is an apocalyptic number.

120720787 is a deficient number, since it is larger than the sum of its proper divisors (11134685).

120720787 is a wasteful number, since it uses less digits than its factorization.

120720787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13349.

The product of its (nonzero) digits is 10976, while the sum is 34.

The square root of 120720787 is about 10987.3011699871. The cubic root of 120720787 is about 494.2280072653.

The spelling of 120720787 in words is "one hundred twenty million, seven hundred twenty thousand, seven hundred eighty-seven".